diff --git a/app.py b/app.py
index d36c055..874b8f5 100644
--- a/app.py
+++ b/app.py
@@ -427,7 +427,15 @@ def create_group():
 @admin_required
 def manage_group(group_id):
     group = Group.query.get_or_404(group_id)
-    content = Content.query.filter(Content.player_id.in_([player.id for player in group.players])).all()
+    
+    # Get unique media files for the group
+    content = (
+        db.session.query(Content.id, Content.file_name, db.func.min(Content.duration).label('duration'))
+        .filter(Content.player_id.in_([player.id for player in group.players]))
+        .group_by(Content.file_name)
+        .all()
+    )
+    
     return render_template('manage_group.html', group=group, content=content)
 
 @app.route('/group/<int:group_id>/edit', methods=['GET', 'POST'])
@@ -460,6 +468,38 @@ def group_fullscreen(group_id):
     content = Content.query.filter(Content.player_id.in_([player.id for player in group.players])).all()
     return render_template('group_fullscreen.html', group=group, content=content)
 
+@app.route('/group/<int:group_id>/media/<int:content_id>/edit', methods=['POST'])
+@login_required
+@admin_required
+def edit_group_media(group_id, content_id):
+    group = Group.query.get_or_404(group_id)
+    new_duration = int(request.form['duration'])
+    
+    # Update the duration for all players in the group
+    for player in group.players:
+        content = Content.query.filter_by(player_id=player.id, file_name=Content.query.get(content_id).file_name).first()
+        if content:
+            content.duration = new_duration
+    
+    db.session.commit()
+    return redirect(url_for('manage_group', group_id=group_id))
+
+@app.route('/group/<int:group_id>/media/<int:content_id>/delete', methods=['POST'])
+@login_required
+@admin_required
+def delete_group_media(group_id, content_id):
+    group = Group.query.get_or_404(group_id)
+    file_name = Content.query.get(content_id).file_name
+    
+    # Delete the media for all players in the group
+    for player in group.players:
+        content = Content.query.filter_by(player_id=player.id, file_name=file_name).first()
+        if content:
+            db.session.delete(content)
+    
+    db.session.commit()
+    return redirect(url_for('manage_group', group_id=group_id))
+
 if __name__ == '__main__':
     with app.app_context():
         db.create_all()  # Creează toate tabelele
diff --git a/instance/dashboard.db b/instance/dashboard.db
index bb35af4..5af911d 100644
Binary files a/instance/dashboard.db and b/instance/dashboard.db differ
diff --git a/static/uploads/ESP32-C6-EVB_Rev_A.pdf b/static/uploads/ESP32-C6-EVB_Rev_A.pdf
new file mode 100644
index 0000000..89ffcbb
Binary files /dev/null and b/static/uploads/ESP32-C6-EVB_Rev_A.pdf differ
diff --git a/static/uploads/track.png b/static/uploads/track.png
new file mode 100644
index 0000000..eb097c1
Binary files /dev/null and b/static/uploads/track.png differ
diff --git a/templates/manage_group.html b/templates/manage_group.html
index 5808f01..a2c4925 100644
--- a/templates/manage_group.html
+++ b/templates/manage_group.html
@@ -52,14 +52,14 @@
                                 <div class="flex-grow-1">
                                     <p class="mb-0"><strong>Media Name:</strong> {{ media.file_name }}</p>
                                 </div>
-                                <form action="{{ url_for('edit_content', content_id=media.id) }}" method="post" class="d-flex align-items-center">
+                                <form action="{{ url_for('edit_group_media', group_id=group.id, content_id=media.id) }}" method="post" class="d-flex align-items-center">
                                     <div class="input-group me-2">
                                         <span class="input-group-text">seconds</span>
                                         <input type="number" class="form-control {{ 'dark-mode' if theme == 'dark' else '' }}" name="duration" value="{{ media.duration }}" required>
                                     </div>
                                     <button type="submit" class="btn btn-warning me-2">Edit</button>
                                 </form>
-                                <form action="{{ url_for('delete_content', content_id=media.id) }}" method="post" style="display:inline;">
+                                <form action="{{ url_for('delete_group_media', group_id=group.id, content_id=media.id) }}" method="post" style="display:inline;">
                                     <button type="submit" class="btn btn-danger" onclick="return confirm('Are you sure you want to delete this media?');">Delete</button>
                                 </form>
                             </li>